DIAMOND Racing MODERN HEMI FLAT TOP Pistons [Bore 4.070 | Stroke 3.578 | Rod 6.243 | C.D. 1.220 | Weight XXX | Pin .984 x 2.350 | CC's 3.5 | 74cc 10.6] (CHRYSLER 6.1L HEMI) : COLORADOSPEED - LATE MODEL DOMESTIC (AMERICAN MUSCLE) | IMPORT (EUROPEAN | SPORT COMPACT) AUTOMOTIVE PERFORMANCE PARTS